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Finding the Fourth Proportional to 218,077.60, 326,727.60 and 184,640.80

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Solution

The fourth proportional to 218,077.60, 326,727.60 and 184,640.80 is: 276,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,077.60 : 326,727.60 = 184,640.80 : x
  2. Step 2: Convert to fraction form
    218,077.60/326,727.60 = 184,640.80/x
  3. Step 3: Cross multiply
    218,077.60x = 326,727.60 × 184,640.80
  4. Step 4: Simplify right side
    218,077.60x = 60,327,245,446.08
  5. Step 5: Solve for x
    x = 60,327,245,446.08/218,077.60
  6. Step 6: Final answer
    x = 276,632.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.